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SurePOS 100 Technical Reference
Page 25 of 104
INDEX 28H:
Read/write
7 6 5 4 3 2 1 0 Function
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x x x x x x x 1 disable C/D driver
x x x x x x x 0 enable C/D driver
x x x x x x 1 x C/D pulse = 100 mS (recommended)
x x x x x x 0 x C/D pulse = 50 mS
x x x x x 0 x x C/D controlled by prt logic
x x x x x 1 x x C/D controlled by ASIC
Control register T
Cash drawer open via ASIC
INDEX 29H:
Write only
7 6 5 4 3 2 1 0 Function
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0 0 0 0 0 0 0 1 Pulse C/D circuit (open drawer)
Control register U
Cash drawer status
INDEX 30H:
Read/write
7 6 5 4 3 2 1 0 Function
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x x x x x x 0 x IBM cash drawer connected
x x x x x x 1 x IBM cash drawer not connected
x x x x x 0 x x IBM cash drawer open
x x x x x 1 x x IBM cash drawer closed